text: /**
   * Copyright (c) 2013-present, Facebook, Inc.
   * All rights reserved.
   *
   * This source code is licensed under the BSD-style license found in the
   * LICENSE file in the root directory of this source tree. An additional grant
   * of patent rights can be found in the PATENTS file in the same directory.
   *
   * @format
   *  strict
   * @emails oncall+draft_js
   */
  
  'use strict';
  
  var seenKeys = {};
  var MULTIPLIER = Math.pow(2, 24);
  
  function generateRandomKey() {
    var key = void 0;
    while (key === undefined || seenKeys.hasOwnProperty(key) || !isNaN(+key)) {
      key = Math.floor(Math.random() * MULTIPLIER).toString(32);
    }
    seenKeys[key] = true;
    return key;
  }
  
  module.exports = generateRandomKey;